function guide_start(){

    var  introjs=introJs();
    introjs.setOptions({
    exitOnOverlayClick:false,
    keyboardNavigation:false,
    showBullets:false
    });
    introjs.onexit(function() {
        $.get("index.php?route=common/cancelguide", function(result){
            window.location.reload();
        });
    });
    introjs.oncomplete(function() {
        $.get("index.php?route=common/cancelguide", function(result){
            window.location.reload();
        });
    });
    introjs.onafterchange(function(aa){
        var step=aa.attributes['data-step'].nodeValue
        if(step==11){
            window.location.href='index.php?route=product/product&product_id=52';
        }
        if(step==3){
            $('#button-cart').click();
        }
        if(step==12){
            window.location.href='index.php?route=checkout/cart';
        }
        if(step==13){
            window.location.href='index.php?route=checkout/checkout';
        }
        if(step==13){
            window.location.href='index.php?route=checkout/checkout';
        }
});
introjs.start();
};